| Acronym | Meaning |
![](file.png) | NRPS | Nonribosomal Peptide Synthetase |
![](file.png) | NRRA | Nuclear Resonant Reaction Analysis |
![](file.png) | NRT | National Response Team |
![](file.png) | NRTI | Nucleoside Reverse Transcriptase Inhibitor |
![](file.png) | NRTL | Non-random Two Liquid |
![](file.png) | NRW | Null Reflecting Water |
![](file.png) | NSAID | Non-steroidal Anti-inflammatory Drug |
![](file.png) | NSC | National Safety Council |
![](file.png) | NSCEP | National Service Center For Environmental Publications |
![](file.png) | NSCF | Non-self-consistent Field |
![](file.png) | NSCLC | Non-small Cell Lung Cancer |
![](file.png) | NSCP | North Sea Community Program |
![](file.png) | NSCR | Nonselective Catalytic Reduction |
![](file.png) | NSCSS | Noise-suppressing Capillary Separation System |
![](file.png) | NSDL | National Science Digital Library |
![](file.png) | NSDWR | National Secondary Drinking Water Regulations |
![](file.png) | NSE | Neuron-specific Enolase |
![](file.png) | NSE | Neutron Spin Echo |
![](file.png) | NSE | Nonlinear Schroedinger Equation |
![](file.png) | NSERC | Natural Sciences And Engineering Research Council (Canada) |
![](file.png) | NSES | National Science Education Standards |
![](file.png) | NSF | National Sanitation Foundation |
![](file.png) | NSF | National Science Foundation |
![](file.png) | NSF | Near-surface Fractionated (mantle) |
![](file.png) | NSH | Normalized Spherical Harmonic (hamiltonian) |
![](file.png) | NSIDC | National Snow And Ice Data Center (University Of Colorado) |
![](file.png) | NSLS | National Synchrotron Light Source |
![](file.png) | NSO | Natural Spin Orbitals |
![](file.png) | NSOM | Near-field Scanning Optical Microscopy |
![](file.png) | NSP | North Sea Project |
![](file.png) | NSP | Non-starch Polysaccharide |
![](file.png) | NSPS | New Source Performance Standards |
![](file.png) | NSR | New Source Review |
![](file.png) | NSR | Nitrile-silicone Rubber |
![](file.png) | NSR | Normalized Stoichiometric Ratio |
![](file.png) | NSRDS | National Standard Reference Data System |
![](file.png) | NSS | National Stream Survey (USA) |
![](file.png) | NSSDC | National Space Science Data Center |
![](file.png) | NSSN | National Standards Systems Network |
![](file.png) | NSSS | National Sewage Sludge Survey |
![](file.png) | NSSS | Nuclear Steam Supply System |
![](file.png) | NSSTC | National Space Science And Technology Center |
![](file.png) | NSTA | National Science Teachers Association |
![](file.png) | NSTC | National Science And Technology Council |
![](file.png) | NSTF | North Sea Task Force (multinational Organization) |
![](file.png) | NSTL | Near Surface Transition Layer |
![](file.png) | NSTX | National Spherical Torus Experiment |
![](file.png) | NSWMA | National Solid Wastes Management Association |
![](file.png) | NSWS | National Surface Water Survey |
![](file.png) | NTA | Nitrilotriacetic Acid |